Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Listen: Upcoming Ford Focus ST to employ sound symposer

While BMW employs a digitally sanitized/perfected sound file to give M5 owners the proper sense of aggro urgency when motoring at pace, Porsche went a little more organic with its employment of a sound symposer to feed the 911's flat-six growl into the cabin of the extra-refined 991. Essentially, the sound symposer is an electrically controlled diaphragm in a tuned sound tube that brings the proper engine noises into the passenger compartment. It can be opened and closed by the car's onboard electronics to offer snarl when you want it and serenity when you don't.

Buick Enclave starts at $39,270 for 2013 model

The 2013 Buick Enclave SUV will sticker for $39,270 including $825 for destination and handling. For the new year, the Enclave gets a gentle styling redesign, more standard equipment and more safety technologies. The 2013 Enclave will have three equipment groups: “convenience,” “leather” and “premium.” All three will come with a good selection of Buick standard features, including a touch-screen radio, HID headlights, parking sensors, backup camera, remote start and a few other features.

MG Zero Concept at Beijing

The MG Zero Concept has been revealed at the Beijing Motor Show It’s good to see a new MG. True, it may not be everyone’s idea of where MG should be, but at least Morris Garages lives to die another day and stays alive as a marque, which is more than you can say for Riley or Hillman or Humber or Triumph or Rover or Austin or Morris or Alvis or… What this may be is the MG2 we snapped being loaded on to a trailer in China a few weeks ago, but there is so little detail from MG in the press release on the MG Zero concept they might just as well not have bothered. If we’re going to get treated to a new MG – concept or not – it would sort of help if we got some detail.